Add Yahoo as a preferred source to see more of our stories on Google. Peter Gudella via Shutterstock Minting coins isn't exactly an exact science. Even though most ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

Wrong planchet errors represent some of the most dramatic minting mistakes possible. Wrong planchet and off-metal errors occur when a correctly made blank from one denomination is accidentaly fed into ...

A rare 2001-D Lincoln cent, a "mule error" coin with a dime reverse, has fetched over $100,000 at auction. This unique coin, created by a minting mistake in Denver, features Abraham Lincoln on the ...

Most people toss their quarters into a jar without a second look. It's just pocket change, right? Well, for a specific coin ...

A highly sought-after £1 coin could be worth a small fortune if it has a tiny error. This particular piece has previously ...

Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

The 1980 penny error coins represent some of the most exciting finds for collectors searching through pocket change. With over 12 billion pennies minted that year ...

A coin expert has urged the public to keep a sharp eye out for two specific £2 coins in circulation, which could potentially be worth a hefty sum above their nominal value. If these coins bear certain ...

An expert has urged people to keep an eye out for a rare £2 coin that could be worth £1,000. This piece, from 2014, is highly sought after by collectors due to a ...